* {
    margin: 0;
    padding: 0;
    list-style: none;
}

/*导航栏使用*/
.nav-top {
    border-radius: 0;
    width: 100%;
    height: 70px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.box {
    width: 100%;
    height: 70px;
    display: -webkit-flex; /* Safari */
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.search {
    width: 300px;
    height: 50px;
    display: -webkit-flex; /* Safari */
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.search-input-radius {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right-width: 0;
}

.search-button-radius {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-left-width: 0;
}

.head-img {
    width: 50px;
    height: 50px;
    border: 2px white solid;
}

.head-img2 {
    width: 70px;
    height: 70px;
    border: 2px white solid;
    margin: 10px 10px 2px 5px;
}

.head-img:hover {
    border: 2px #426978 solid;
}

.mydropdown {
    position: relative;
}

.mydropdown-toggle:hover {
    outline: 0;
}

.mydropdown-menu {
    position: absolute;
    background-color: #EEEEEE;
    top: 100%;
    width: 250px;
    left: -200px;
    z-index: 1000;
    display: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
    text-align: right;
    color: white;
}

.mydropdown-menu a {
    display: block;
    padding: 3px 20px;
    clear: both;
    font-weight: normal;
    line-height: 1.42857143;
    color: #333;
    white-space: nowrap;
}

/*导航栏end*/
.main {
    width: 100%;
    min-width: 960px;
    /* max-width: 1500px;*/
    height: auto;
}

.img_back {
    left: 0;
    top: 0;
    z-index: -1;
    overflow: hidden;
}

.color-white {
    color: white;
}

.div-bottom {
    background-color: #06060B;
    width: 100%;
    height: 200px;
    padding: 10px 100px;
}

/*阴影*/
.card-big {
    border: 0px solid #696;
    padding: 30px 0;
    text-align: center;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
    -webkit-box-shadow: #666 0px 0px 10px;
    -moz-box-shadow: #666 0px 0px 10px;
    box-shadow: #666 0px 0px 2px;
}

.card-small {
    border: 0px solid #696;
    text-align: center;
    -webkit-border-radius: 2px;
    -moz-border-radius: 2px;
    border-radius: 2px;
    -webkit-box-shadow: #666 0px 0px 2px;
    -moz-box-shadow: #666 0px 0px 2px;
    box-shadow: #666 0px 0px 2px;
}

.ul {
    list-style: none;
    margin: auto;
    text-align: center;
    display: block;
    width: 100%;
    position: relative;
}